Announcement PDF ASX ANNOUNCEMENT 20 August 2026 ASX:VKA vikingmines.com 15-17 Old Aberdeen Place West Perth, WA, 6005 P +61 8 6245 0870 F +61 8 9322 5230 contact@vikingmines.com 1 ASSAYS CONFIRM ORE SORTING DELIVERS HIGH GRADE PRODUCTS AT LINKA PROJECT • Assay results for products generated by TOMRA X-ray Transmission (XRT) ore sorting testwork indicate suitability of the technology for the Linka Tungsten Projecti . • Combinations of the sorted products deliver: • Conquest Pit Sample (LKMET0005): 1.2x to 1.7x the feed grade with tungsten recoveries up to 93.0%. • Linka Pit Sample (LKMET0006): 1.3x to 1.4x the feed grade with tungsten recoveries up to 85.9%. • Conquest Pit sample: High grade product graded 1.91% WO3, approximately 3.1x the calculated feed grade of 0.61% WO3, containing 27.3% of the tungsten in just 8.8% of the mass. • Linka Stockpile sample: High grade product graded 1.83% WO3, approximately 4.1 x the calculated feed grade of 0.45% WO3, demonstrating the potential to upgrade existing surface stockpiles. • Reject streams in both samples graded ~0.2% WO3, demonstrating the potential for ore sorting to reject waste and low-grade material ahead of downstream processing and to screen waste from low grade stockpiles to upgrade to ore grade feed. • Gravity and flotation testwork on the ore sorting products is being conducted at Base Met Labs to assess the effectiveness of downstream processing of the TOMRA products. Figure 1; High grade sorted fraction (Set 1) from the Conquest Pit sample LKMET0006 under ultraviolet light, showing characteristic blue-white fluorescence of scheelite. This fraction returned an assay of 1.91% WO3, approximately 3.1x the calculated raw feed grade (refer Table 1). 2 ASX:VKA | vikingmines.com Viking Mines Limited (ASX: VKA, OTCID: VKALF) ("Viking" or "the Company") is pleased to report assay results for the product fractions generated by X-ray Transmission (XRT) ore sorting testwork completed by TOMRA on mineralised material from the Linka Tungsten Project in Nevada, USAi . The sorted fractions were assayed at Base Met Labs, with the metallurgical balance confirming that ore sorting successfully separated the mineralised feed into higher grade product streams and a low-grade stream in both samples. Viking Mines Managing Director & CEO Julian Woodcock said: “These assay results confirm what we observed visually in June. Ore sorting has produced a high- grade product at up to 4.2x times the feed grade in both samples, while rejecting a low-grade stream grading just 0.2% WO3. Importantly, the results demonstrate flexibility. By selecting different combinations of the sorted products, we can prioritise either grade uplift or tungsten recovery. This data will now inform how ore sorting may be incorporated into the conceptual process flowsheet for the Linka Project. The next step is to complete gravity and flotation testwork on the sorted products at Base Met Labs. This will allow us to assess the performance of the downstream circuit and determine the cost benefit of applying ore sorting to existing rock stockpiles ahead of the processing plant.” ORE SORTING ASSAY RESULTS As reported on 18 June 2026, each sample was processed through a three-stage cascade sorting configuration on TOMRA’s X-ray Transmission (XRT) platform, producing four output streams: High Grade Inclusions (1.1 Eject), Low Grade Inclusions (1.2 Eject), CONTAIN™ Inclusions (1.3 Eject) and low-grade (1.3 Non-Eject) (Figure 4). The minus 10 mm material screened out during sample preparation was not processed through the sorter but was assayed to complete the metallurgical balance. Head grades have been determined via the metallurgical balance by assaying of all products in the testwork. Conquest Pit sample The high-grade product (1.1 Eject) graded 1.91% WO3, approximately 3.1x the calculated feed grade of 0.61% WO3, and contained 27.3% of the tungsten in 8.8% of the mass. The low-grade stream (1.3 Non-Eject) graded just 0.18% WO3, containing only 7.0% of the tungsten in 23.5% of the mass. The minus 10 mm fines also returned an elevated grade of 0.77% WO3, approximately 1.3x the feed grade (Table 1). Combining the sorted products with the unsorted fines provides a range of potential feed options, delivering 1.2x to 1.7x the feed grade at tungsten recoveries of 62.1% to 93.0% (Table 2). Due to its increased grade, the minus 10 mm product (stream 5) would be re-combined back with the selected Eject streams to produce feed for processing. 3 ASX:VKA | vikingmines.com Table 1; Assay results and metallurgical balance for the TOMRA XRT sorted fractions, Conquest Pit sample. Upgrade is expressed as a multiple of the calculated feed grade. Product Product Stream Mass (kg) Mass (%) WO3 (%) Upgrade (x feed) W Distribution (%) 1.1 Eject (1) High Grade Inclusions 2.4 8.8 1.91 3.1 27.3 1.2 Eject (2) Low Grade Inclusions 7.2 26.7 0.52 0.8 22.5 1.3 Eject (3) CONTAIN™ Inclusions 3.6 13.4 0.39 0.6 8.4 1.3 Non- Eject (4) Low-grade 6.3 23.5 0.18 0.3 7.0 Minus 10 mm (5) Fines (not sorted) 7.4 27.6 0.77 1.3 34.8 Total Calculated feed 26.8 100.0 0.61 100.0 Table 2; Cumulative grade, mass and tungsten recovery for combinations of the Conquest Pit sorted products and unsorted fines. Product Combination WO3 (%) Upgrade (x feed) Mass (%) W Recovery (%) Products 1 + 5 1.05 1.71 36.4 62.1 Products 1 to 2 + 5 0.82 1.34 63.1 84.6 Products 1 to 3 + 5 0.75 1.22 76.5 93.0 Linka Stockpile sample The high-grade product (1.1 Eject) graded 1.83% WO3, approximately 4.1x the calculated feed grade of 0.45% WO3. The low-grade product (1.2 Eject) also exceeded the feed grade at 0.69% WO3. The low-grade stream graded 0.20% WO3, containing 14.1% of the tungsten in 31.1% of the mass (Table 3). As with the Conquest Pit sample, the higher grade minus10 mm product (stream 5) would be re-combined back with the selected Eject streams to produce feed for processing. Table 3; Assay results and metallurgical balance for the TOMRA XRT sorted fractions, Linka Stockpile sample. Upgrade is expressed as a multiple of the calculated feed grade. Product Product Stream Mass (kg) Mass (%) WO3 (%) Upgrade (x feed) W Distribution (%) 1.1 Eject (1) High Grade Inclusions 0.7 2.4 1.83 4.1 9.7 1.2 Eject (2) Low Grade Inclusions 5.2 19.0 0.69 1.5 29.2 1.3 Eject (3) CONTAIN™ Inclusions 5.0 18.3 0.40 0.9 16.4 1.3 Non- Eject (4) Low-grade 8.5 31.1 0.20 0.5 14.1 Minus 10 mm (5) Fines (not sorted) 8.0 29.3 0.47 1.0 30.7 Total Calculated feed 27.4 100.0 0.45 100.0 4 ASX:VKA | vikingmines.com Combining the sorted products with the unsorted fines delivers 1.3 to 1.4 times the feed grade at tungsten recoveries of 40.3% to 85.9% (Table 4). Table 4; Cumulative grade, mass and tungsten recovery for combinations of the Linka Stockpile sorted products and unsorted fines. Product Combination WO3 (%) Upgrade (x feed) Mass (%) W Recovery (%) Products 1 + 5 0.57 1.27 31.7 40.3 Products 1 to 2 + 5 0.62 1.37 50.7 69.5 Products 1 to 3 + 5 0.56 1.25 68.9 85.9 The results confirm the effectiveness of the low-grade rejection step. In both samples the low- grade stream (1.3 Non-Eject) graded approximately 0.2% WO3, indicating the technology could be effective at screening out waste or low grade material from stockpiles or intermingled ore and waste. The sorted fractions are shown in Figure 2 (Conquest Pit) and Figure 3 (Linka Stockpile), annotated with the assayed grade of each fraction. Figure 2; TOMRA XRT sorted fractions from the Conquest Pit sample with assayed grades: A: Set 1 High Grade Inclusions (1.91% WO3), B: Set 2 Low Grade Inclusions (0.52% WO3), C: Set 3 CONTAIN Inclusions (0.39% WO3) and D: Low-grade (0.18% WO3) (clockwise from top left). 5 ASX:VKA | vikingmines.com Figure 3; TOMRA XRT sorted fractions from the Linka Stockpile sample with assayed grades: A: Set 1 High Grade Inclusions (1.83% WO3), B: Set 2 Low Grade Inclusions (0.69% WO3), C: Set 3 CONTAIN Inclusions (0.40% WO3) and D: Low-grade (0.20% WO3) (clockwise from top left). 6 ASX:VKA | vikingmines.com Figure 4; Three-stage cascade XRT sorting flow sheet applied to each sample, producing four output streams (High Grade, Low Grade and CONTAIN™ Inclusions, and Waste (Low-grade @ ~0.2% WO3)). Source: TOMRA. 7 ASX:VKA | vikingmines.com STRATEGIC SIGNIFICANCE The assay results support the two distinct sources of value that ore sorting could provide for the Linka Tungsten Project. 1. Pre-concentration of run-of-mine feed would allow waste or low-grade to be rejected ahead of the processing plant, lifting plant feed grade thereby maximising metric tonne units of tungsten in process. 2. Ore sorting could be applied to upgrade the Company’s existing surface stockpiles, potentially converting lower-grade material into a viable plant feed. These results build on the Company’s broader metallurgical program at Linka and will be integrated into the conceptual processing flowsheet being developed by Mineral Technologies for the ~300,000 tonne-per-annum (300ktpa) processing model. NEXT STEPS Following receipt of the product fraction assays, the Company’s near-term workstreams for the ore sorting program include: • Completing gravity and flotation testwork on the ore sorting products at Base Met Labs to assess the effectiveness of downstream processing of the TOMRA products. • Assessing the application of ore sorting to upgrade existing surface stockpiles. • Reviewing the conceptual flowsheet to incorporate an ore sorting stage. • Obtaining a TOMRA equipment quotation to support the 300ktpa CAPEX model being developed by Mineral Technologies. END This announcement has been authorised for release by the Board of the Company. Julian Woodcock Managing Director and CEO Viking Mines Limited For further information, please contact: Michaela Stanton-Cook - Company Secretary Viking Mines Limited +61 8 6245 0870 Learn more about Viking Mines via our investor hub here. __________________________ i ASX Announcement 18 June 2026; Ore Sorting Successfully Produces Separate Products at Linka Project 8 ASX:VKA | vikingmines.com APPENDIX 1 – SAMPLE LOCATION AND ASSAY RESULTS TABLES Area Sample ID Type East (m) NAD 83 UTM Zone 11 North (m) NAD 83 UTM Zone 11 RL (m) Weight (kg) WO3 % Linka Stockpile LKMET0005 Grab sample 513,999 4,353,134 1,805 ~20kg 0.45 Conquest Pit LKMET0006 Grab sample 514,472 4,353,707 1,774 ~20kg 0.61 WO3 % reported as the calculated feed (head) grade from the metallurgical balance of the ore sorting testwork. Competent Persons Statement – Exploration Results Information in this release that relates to Exploration Results is based on information compiled by Mr Julian Woodcock, who is a Member of the Australian Institute of Mining and Metallurgy (MAusIMM(CP) – 305446). Mr Woodcock is a full-time employee of Viking Mines Ltd. Mr Woodcock has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity being undertaken to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’. Mr Woodcock consents to the disclosure of the information in this report in the form and context in which it appears. Competent Persons Statement – Metallurgical Testwork The information in this announcement that relates to Exploration Results from metallurgical test work is based on, and fairly represents, information and supporting documentation compiled by Mr Peter Adamini, BSc (Mineral Science and Chemistry), who is a Member of The Australasian Institute of Mining and Metallurgy (AusIMM). Mr Adamini is a full-time employee of SGS Australia owned Independent Metallurgical Operations Pty Ltd, a wholly owned subsidiary of SGS Australia Holdings Pty Ltd, and has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity being undertaken to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’. Mr. Adamini is an independent consultant engaged by Viking Mines Limited for metallurgical representation. Mr Adamini consents to the disclosure of the information in this report in the form and context in which it appears. Forward-Looking Statements This document may include forward-looking statements. Forward-looking statements include, but are not limited to, statements concerning Viking Mines Limited’s planned exploration programme and other statements that are not historical facts. When used in this document, the words such as "could," "plan," "estimate," "expect," "intend," "may”, "potential," "should," and similar expressions are forward-looking statements. Although Viking Mines Limited believes that its expectations reflected in these forward-looking statements are reasonable, such statements involve risks and uncertainties and no assurance can be given that actual results will be consistent with these forward-looking statements. 9 ASX:VKA, OTC:VKALF | vikingmines.com APPENDIX 2 – JORC CODE, 2012 EDITION – TABLE 1 JORC Table 1, Section 1 – Sampling Techniques and Data Criteria JORC Code explanation Commentary Sampling techniques Nature and quality of sampling (e.g. cut channels, random chips, or specific specialised industry standard measurement tools appropriate to the minerals under investigation, such as downhole gamma sondes, or handheld XRF instruments, etc.). These examples should not be taken as limiting the broad meaning of sampling. Metallurgical Sample Collection of loose rocks on surface approximately 10-20cm in diameter from each of the 2 sample locations (Linka Stockpile and Conquest Pit). Samples collected were packed in to plastic buckets for transportation to the metallurgical laboratory for preparation prior to shipping to Germany for the TOMRA testwork. Weights of each of the samples collected are approximately 20kg (40kg in total). Include reference to measures taken to ensure sample representivity and the appropriate calibration of any measurement tools or systems used. Metallurgical Sample Samples are deemed representative of the target mineralisation being sampled based on visual characteristics. It is unknown if the samples are representative of the original insitu material due to rocks being collected from loose material on surface and not being insitu. Aspects of the determination of mineralisation that are Material to the Public Report. In cases where ‘industry standard’ work has been done this would be relatively simple (e.g. ‘reverse circulation drilling was used to obtain 1 m samples from which 3 kg was pulverised to produce a 30 g charge for fire assay’). In other cases more explanation may be required, such as where there is coarse gold that has inherent sampling problems. Unusual commodities or mineralisation types (e.g. submarine nodules) may warrant disclosure of detailed information Metallurgical Sample Loose rocks collected form surface and delivered to the metallurgical laboratory for sample preparation (crushing and screening) prior to being shipped to TOMRA in Wedel, Germany for ore sorting testwork. Drilling techniques Drill type (e.g. core, reverse circulation, open-hole hammer, rotary air blast, auger, Bangka, sonic, etc.) and details (e.g. core diameter, triple or standard tube, depth of diamond tails, face-sampling bit or other type, whether core is oriented and if so, by what method, etc.). Not applicable, no drilling being reported. Drill sample recovery Method of recording and assessing core and chip sample recoveries and results assessed. Not applicable, no drilling being reported. Measures taken to maximise sample recovery and ensure representative nature of the samples. Not applicable, no drilling being reported. Whether a relationship exists between sample recovery and grade and whether sample bias may have occurred due to preferential loss/gain of fine/coarse material. Not applicable, no drilling being reported. Logging Whether core and chip samples have been geologically and geotechnically logged to a level of detail to support appropriate Mineral Resource estimation, mining studies and metallurgical studies. Not applicable, no drilling being reported. Whether logging is qualitative or quantitative in nature. Core (or costean, channel, etc.) photography. Not applicable, no drilling being reported. 10 ASX:VKA, OTC:VKALF | vikingmines.com Criteria JORC Code explanation Commentary The total length and percentage of the relevant intersections logged. Not applicable, no drilling being reported. Subsampling techniques and sample preparation If core, whether cut or sawn and whether quarter, half or all core taken. Not applicable, no drilling being reported. If non-core, whether riffled, tube sampled, rotary split, etc. and whether sampled wet or dry. Metallurgical Sample Samples were collected dry. No splitting was undertaken in the field. For all sample types, the nature, quality and appropriateness of the sample preparation technique. Metallurgical Sample The sample preparation, blending and sub-sampling techniques are appropriate for this material’s mineralogical makeup. Quality control procedures adopted for all subsampling stages to maximise representivity of samples. Metallurgical Sample No QAQC samples were utilised by Viking. The metallurgical laboratory inserted blanks and standards which contained WO3 grades similar to the assayed samples WO3 head grades. Measures taken to ensure that the sampling is representative of the in-situ material collected, including for instance results for field duplicate/second-half sampling. Metallurgical Sample Insitu material has not been sampled. No duplicates taken. The metallurgical balance from the ore sorting testwork has been used to verify the head grade assays. Whether sample sizes are appropriate to the grain size of the material being sampled. The Competent Person considers the current methods and processes described as appropriate for this style of mineralisation due to the grade of mineralisation being reported. Sample size of the metallurgical sample is appropriate both due the grades being grade of the mineralisation and the large samples collected. Quality of assay data and laboratory tests The nature, quality and appropriateness of the assaying and laboratory procedures used and whether the technique is considered partial or total. Metallurgical Sample The assaying technique utilised a lithium metaborate/lithium tetraborate (50/50) fusion melt followed by nitric acid dissolution with the resulting solution analysed by an ICP OES/MS. This technique is considered to be total. For geophysical tools, spectrometers, handheld XRF instruments, etc., the parameters used in determining the analysis including instrument make and model, reading times, calibrations factors applied and their derivation, etc. No data has been reported of this type. Nature of quality control procedures adopted (e.g. standards, blanks, duplicates, external laboratory checks) and whether acceptable levels of accuracy (i.e. lack of bias) and precision have been established. Metallurgical Sample No QAQC samples were utilised by Viking. The metallurgical laboratory inserted blanks and standards which contained WO3 grades similar to the Viking’s assayed WO3 head grades. This achieved acceptable levels of accuracy and removed bias. Verification of sampling and assaying The verification of significant intersections by either independent or alternative company personnel. Not applicable, no drilling being reported. The use of twinned holes. Not applicable, no drilling being reported. Documentation of primary data, data entry procedures, data verification, data storage (physical and electronic) protocols. Metallurgical Sample Samples are packaged into plastic buckets prior to shipping. Sample details are recorded in a spreadsheet and then uploaded into Viking’s Maxwell Datashed database. Discuss any adjustment to assay data. Assay results are reported as W% and converted to WO3% by multiplying by 1.2611. 11 ASX:VKA, OTC:VKALF | vikingmines.com Criteria JORC Code explanation Commentary Location of data points Accuracy and quality of surveys used to locate drillholes (collar and downhole surveys), trenches, mine workings and other locations used in Mineral Resource estimation. Metallurgical Sample No drilling being reported. Sample locations provided are approximate area where the samples were collected from. Composite sample collected for each area is composed of loose rocks collected from within an approximate15m radius of the reported sample coordinate. Specification of the grid system used. The adopted grid system is NAD83/UTM Zone 11N and all data are reported in these coordinates. Quality and adequacy of topographic control. Publicly available LiDAR data from the USGS is at 1m accuracy and considered of a high quality and has been used to determine the elevation of the samples collected. Data spacing and distribution Data spacing for reporting of Exploration Results. Not applicable. Whether the data spacing and distribution is sufficient to establish the degree of geological and grade continuity appropriate for the Mineral Resource and Ore Reserve estimation procedure(s) and classifications applied. Not applicable. Whether sample compositing has been applied. Metallurgical Sample Sample assay results have not been composited. Physical samples collected are consider a composite sample via the collection of multiple loose rocks from the sample locations to provide sufficient material for the metallurgical testwork programme. Orientation of data in relation to geological structure Whether the orientation of sampling achieves unbiased sampling of possible structures and the extent to which this is known, considering the deposit type. Metallurgical Sample Unknown, the mineralisation sampled was not insitu. If the relationship between the drilling orientation and the orientation of key mineralised structures is considered to have introduced a sampling bias, this should be assessed and reported if material. Not applicable, no drilling being reported. Sample security The measures taken to ensure sample security. Metallurgical Sample Samples were collected in the field by Viking contract geophysics team and shipped to Base Met Labs in Tucson, Arizona. Samples were then prepared and shipped to TOMRA in Germany. Standard shipping protocols apply with consignment notes confirming delivery. Audits or reviews The results of any audits or reviews of sampling techniques and data. The Company has conducted no audits or reviews of the sampling techniques and data. JORC 2012 Table 1, Section 2 – Reporting of Exploration Results Criteria JORC Code explanation Commentary Mineral tenement and Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical sites, wilderness or national park and environmental settings. Tenements and location The USA Tungsten Project Lode Mineral Claims are located in the state of Nevada in the USA. Details of the Mineral Claims are presented in the table below: 12 ASX:VKA, OTC:VKALF | vikingmines.com Criteria JORC Code explanation Commentary land tenure status Project State County Type Holder Quantity Linka Nevada Lander Unpatented BLK Group LLC 10 Viking Tungsten LLC 91 Alpine Nevada Pershing Unpatented BLK Group LLC 4 Long Nevada Pershing Unpatented BLK Group LLC 4 Viking Tungsten LLC 12 Ragged Top Nevada Pershing Unpatented BLK Group LLC 8 Viking Tungsten LLC 30 Terrell Nevada Nye Unpatented BLK Group LLC 10 Viking Tungsten LLC 56 Victory Nevada Nye Unpatented Kircher Mine Development LLC 8 Third Party Interests Viking Mines Ltd has signed a binding term sheet to acquire a 100% interest in the project BLK Group LLC Mineral Claims and currently holds no ownership. Viking can acquire 100% interest in the claims by paying a total of US$2.88M over a staged 7 year period. BLK group will retain a 2% NSR on all minerals recovered from mineral claims, and Viking retains the option to buy down 1% of the NSR for US$2M. Native Title, Historical sites and Wilderness There are no known registered historical sites over the Project Mineral Claims. The Mineral Claims are registered with the Bureau of Land Management. The Linka Project has split federal agency responsibility with the Bureau of Land management managing approximately half of the claims and the US Forestry Service the other half. All the remaining projects fall under the jurisdiction of the BLM. The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the area. The tenements are held in good standing by BLK Group LLC. To the best of Vikings knowledge, all annual claim payments are up to date. There are no known impediments to obtaining a licence to operate in the area. The US process is to file either a notice of intent or Plan of Operations to the responsible Federal Agency to obtain permits for drilling. The Company does not know of any reason why these permits would not be granted once the process if followed and the required bond payment made. Exploration done by other parties Acknowledgment and appraisal of exploration by other parties. Linka Mine: The area was staked in 1941 by Steve Linka of Austin, NV. In 1943-44, the mine produced 2,420 tons of ore averaging 0.69% WOз. Consolidated Uranium Mines purchased the property in 1953, sunk a vertical shaft to 210 feet and drove approximately 1,000 feet of drifts and cross-cuts on the 150’ level. Additional production included; 4,000 tons of ore averaging 0.98% WOз between 1951 and 1956 and 60,000 tons averaging 0.40% WOз between 1955 and 1956. The mine closed when the Government buying program ended. Mine workings include a 100’ X 50’ open-pit 25 feet deep, a 210’ shaft with approximately 1,500 feet of drifts and cross-cuts. Shrinkage stopes extend from the 150’ level to the surface (Stager and Tingley, 1988). In 1951, the Linka Mine was optioned to Hugh Chesser, Reno, NV. Hugh Chesser estimates shipments to Metals Reserve Corporation during WWII totalled 2,673 tons averaging 0.72 percent WOз. Cache Creek Exploration held the properties in the early 1970’s and conducted geological and geophysical programs. Duval Corporation optioned the properties in the mid-1970’s, did geological studies but no drilling. Min-Ex drilled the property in 1977-78, with a total of 73 drillholes recorded (eight DDH and 64 wide-spread percussion drillholes). Note: Not all drillhole locations have been established, with 69 holes digitised and 1 hole estimated (total 70) and three percussion holes with unknown location. Exploration activity completed by Minex included drilling, surface and underground geological mapping and sampling, minor geophysical 13 ASX:VKA, OTC:VKALF | vikingmines.com Criteria JORC Code explanation Commentary magnetic survey with 10,400 linear feet collected (inconclusive results), 6,500ft of bulldozer trenching and mapping. Stager and Tingley, 1988 estimate total production at the Linka mine at 25,670 units WOз (1943-56). Linka-Conquest Mine: The mine was discovered in 1941 but did not start production until 1943 when Gale Peer sunk a two-compartment inclined shaft to 130 feet. Workings off the shaft were at the 50 and 100 foot levels. During WW II mined and shipped 390 tons of ore averaging 2.7% WOз. Additional shipments after the War averaged over 1.0% WOз, but the tonnage is unknown. Last work on the 100’ level exposed a zone 40’ long, 12’ to 20’ wide, open to the northeast with a grade of <0.4% WOз. Stager and Tingley, 1988, estimate total production at 5,208 units WOз (1944-56). Stager and Tingley, 1988 estimate total production at the Conquest mine to be 5,208 units WOз (1944-56) Geology Deposit type, geological setting and style of mineralisation Linka Project: The area is underlain primarily by sedimentary rocks; it includes an outcrop of massive limestone of Ordovician age (Upper Plate) overlain in thrust contact by chert and shale of Ordovician Vinini Formation (Lower Plate). The limestone is intruded locally by granitic rocks of Jurassic age, and the tungsten deposits occur in the limestone along the granite contact (Stager and Tingley, 1988) Linka-Conquest Mine - Granite intrusive rocks (Jg) and aplite dikes intrude cherts, shales and limy members of the Vinini Formation (Ov) in the Upper Plate of the Roberts Mountain Thrust. Scheelite-bearing skarn formed at the contact. Miocene age Bates Mountains tuff (Tbm) covers any extension of the mineralization to the northeast. Linka Mine – Scheelite occurs in lenses and tabular masses of skarn at the contact between Ordovician Antelope Valley Limestone (Lower Plate of the Roberts Mountain Thrust) and granitic intrusive rocks. The contact zone is cut by igneous dykes and high-angle faults. Exposures are poor. Granite rocks west of the contact zone are covered by post-mineral volcanic rock and sediments of Big Smokey Valley. Antelope Valley limestone east of the contact zone is nearly vertical. The contact zone is about 40 feet wide. Drilling in the 1970’s shows that, at depth, the contact zone may flatten to the east, then steepen. Scheelite, with traces of chalcopyrite and molybdenite are the only ore minerals recognized. Linka-Hillside - The Hillside incline shaft is about half way between the Conquest and Linka Mines. The shaft is inclined at ~47° and is approximately 100 feet deep. In 1978, when the area was visited by Richard Jones and Harold Bonham, geologists at the Nevada Bureau of Mines and Geology, there were no drifts or cross-cuts off the shaft. Here the rocks are more thinly bedded and contain more hornfels then sediments at the Linka shaft. Lenses of scheelite-bearing skarn in the Hanson Creek F